CVE-2021-37601
muc.lib.lua in Prosody 0.11.0 through 0.11.9 allows remote attackers to obtain sensitive information (list of admins, members, owners, and banned entities of a Multi-User chat room) in some common
02 Description
muc.lib.lua in Prosody 0.11.0 through 0.11.9 allows remote attackers to obtain sensitive information (list of admins, members, owners, and banned entities of a Multi-User chat room) in some common
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 2.32% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 83.0% of scored records. A rank, not a probability.
- NVD base score
- 7.5 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2021-07-28 13:52Z5 YR AGO
- Last updated
- 2024-08-04 01:23Z2 YR AGO
- Reserved
- 2021-07-28
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- High (CVSS 7.5)
- CNA CVSS vector
- CVSS:3.1/AC:L/AV:N/A:N/C:H/I:N/PR:N/S:U/UI:N
- Weaknesses
- No CWE assigned
- Data version
- 5.1
- Document digest
- b1c175092906644949472e6f08c82343621a2e64b5b55ee1e1797eda0df644bb
05 Affected products
06 References
- prosody.imhttps://prosody.im/security/advisory_20210722/
- prosody.imhttps://prosody.im/
- www.openwall.com[oss-security] 20210728 Re: Prosody XMPP server advisory 2021-07-22 (Remote Information Disclosure) (CVE-2021-37601)http://www.openwall.com/lists/oss-security/2021/07/28/4
- lists.fedoraproject.orgFEDORA-2021-1d574ae400https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EMKIOEP2CYWHVVUCNWISPE4AGH4IR7O2/
- lists.fedoraproject.orgFEDORA-2021-fe9513e089https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7BZRRPCNOETB4MN4XSYPRBBKDIHO27DY/
07 Fixed in
Arch Linux
- prosody Fixed in 1:0.11.10-1
Source: Arch Linux Security Tracker, the Arch Linux security team. Reformatted by exploit.cc.
Debian 12
- prosody Fixed in 0.11.9-2
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- prosody Fixed in 0.11.9-2
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- prosody Fixed in 0.11.9-2
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 16.04 LTS
- prosody No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 20.04 LTS
- prosody No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro 18.04 LTS
- prosody No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.